i have used both - both can line great but you need time to find your sweet spot on the whip. The lines with the whip looks cleaner and smoother. With the sidewinder you can fast line on bad areas too but the quality of lines is not good as with coils or a whip i think. Or you need to find your sweet spot to. Its needs a lot of tuning like coils and run not the same after 2-3 times of use. And you have to find the right rubber ,nipple to get it good working. For me the whip is a lot easyer to handle.